Ranzhir-M 9S737М (Russian: Ранжир-М, GRAU designation 9S737 (Russian: 9С737М); English: ordnance) is a mobile command center for several types of Russian anti-aircraft weapons, such as Tor, Tungushka, Strela, and Igla. It uses the same chassis as Tor and Tunguska.
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The original article can be found at Ranzhir-M and the edit history here.